THRIFT-4350: enable dotnet-2.0.0-sdk in ubuntu xenial, update netcore
projects, get them running with make cross
Client: netcore

This closes #1379
diff --git a/test/known_failures_Linux.json b/test/known_failures_Linux.json
index 0a5953a..d424772 100644
--- a/test/known_failures_Linux.json
+++ b/test/known_failures_Linux.json
@@ -169,4 +169,4 @@
   "java-d_compact_framed-ip",
   "rs-dart_binary_framed-ip",
   "rs-dart_compact_framed-ip"
-]
\ No newline at end of file
+]